Spontaneous versus posed smile recognition using discriminative local spatial-temporal descriptors.

Pingping Wu Hong Liu Xuewu Zhang

Published in: ICASSP (2014)

Keyphrases

spatial temporal
temporal information
highly discriminative
spatial and temporal
spatio temporal
action recognition
feature extraction
feature vectors
keypoints
video shots
image sequences
high dimensional
image retrieval
contextual information
feature selection
human actions